[D7903ZEH], Letter from Mackinnon (D.) & Co to Thomas Alva Edison, May 27th, 1879

Item

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Title

[D7903ZEH], Letter from Mackinnon (D.) & Co to Thomas Alva Edison, May 27th, 1879

Editor's Notes

Hears TAE has alloyed iridium with platinum. Possible to get it as hard as steel? If so please send sample. TAE marg: "Can't get plat irid hard as steel. Iridiosmium I can give you name of a party who can supply you with all you want."

URL

https://edisondigital.rutgers.edu/document/D7903ZEH

Author

Mackinnon (D.) & Co

Recipient

Edison, Thomas Alva

Mentions

Cleland, T

Date

1879-05-27

Decade

1870-1879

Type

Letter

Subject

Metals and minerals

Identifier

D7903ZEH

Folder Set

D7903-F

Microfilm ID

49:245

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets

(D-79-03) Edison, T.A.